Convert yd² to m² square yards ↔ square metres Free Online Secure
Type a value in square yards and read it in square metres at once. The factor is exact by definition, the arithmetic happens in your browser, and nothing is sent anywhere.
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Common values — Convert yd² to m² (square yards ↔ square metres)
| yd² | m² |
|---|---|
| 1 | 0.83612736 |
| 2 | 1.67225472 |
| 3 | 2.50838208 |
| 5 | 4.1806368 |
| 10 | 8.3612736 |
| 20 | 16.7225472 |
| 50 | 41.806368 |
| 100 | 83.612736 |
Where these units come from
Square units need no definition of their own: a square metre is a metre by a metre, and everything follows from the length. The land measures are older and stranger. The acre began as the land a yoke of oxen could plough in a day, which is why it was long and thin rather than square — one chain by one furlong, 4840 square yards. The hectare and the are came out of the French Revolution, when land had to be measured in something decimal; neither belongs to the International System, but both were kept for land because a hectare is a comfortable size to picture and a square metre is not. Since the 1959 agreement on the yard, the acre is exactly 4046.8564224 square metres, so the conversions on this page are exact rather than approximate.
Where you meet them
Square metres price flats, size carpets and decide how much paint a wall needs; square feet do the same work in the United States and in much of the property market worldwide. Hectares belong to farmland, forests and planning permissions; acres to land deeds in the English-speaking world. Square kilometres and square miles are for countries, lakes and fires. Square centimetres and square millimetres live in workshops, on datasheets and anywhere a cross-section matters.
Questions people ask
Where is the square yard used?
Mostly for carpet, turf and paving in the UK and the US. A square yard is nine square feet and exactly 0.83612736 square metres, so it is a little under a square metre. Remember that it is not three feet of floor but three feet by three feet.
How big is a square metre in practice?
A square one metre on each side. A standard interior door is about 1.8 square metres, a single bed about 2 and a small bathroom around 4. Floor space, paint coverage and property prices are usually quoted per square metre, so a rough feel for the size helps you judge whether a listed figure is generous or tight.
Is the answer exact?
Where both units are defined in terms of one another by whole numbers, yes — the page says so above the figure, and the only rounding is in how many digits are shown. Where the ratio has no finite decimal, the page shows twelve significant digits and says the relation is approximate rather than pretending otherwise.
Does anything I type leave my device?
No. The arithmetic runs in your browser; nothing is uploaded and there is no server to upload it to. Load the page once and it keeps working with the network switched off.
Bedrooms, bays and bungalows: British space rules in square metres
Rules about how big a room must be are written in square metres, but older plans, listings and conversations about a house often use square yards. To convert yd² to m² you multiply by 0.836127, since a square yard is 0.9144 metres on a side squared. A bedroom of 14 yd² therefore has 11.7 m², which clears the 11.5 m² usually expected of a double room, and a room of 9 yd² has 7.5 m², just enough for a single. This page multiplies as you type, and the text below follows the factor through housing standards, licensing, garages and small buildings.
The page covers the rule with examples, a note on each unit, a comparison, a tour of the places where area limits are applied and the slips to avoid. All arithmetic happens in your browser; nothing you enter is sent anywhere.
How to convert yd² to m²: multiply by 0.836127
The rule
One square yard equals 0.83612736 square metres, because a yard is exactly 0.9144 metres and 0.9144 squared is 0.83612736. To convert yd² to m², multiply the square yards by 0.836127. So 3 yd² is 2.51 m², 15 yd² is 12.54 m², 40 yd² is 33.45 m² and 100 yd² is 83.61 m². In the other direction, multiply square metres by 1.19599.
Worked examples
An old advertisement describes a room of 4.5 by 3.5 yards. That is 15.75 yd², which is 13.17 m². A garage of 16 yd² is 13.38 m². A shop of 150 yd² is 125.4 m². For a quick estimate subtract a sixth: 72 yd² gives 60 m², against 60.2 exactly.
Why not 0.9144
The number 0.9144 converts a length. An area multiplies two lengths, so the factor is 0.9144 squared. Using 0.9144 on an area leaves a figure that is about 9 percent too high, which can tip a room over or under a legal minimum.
A fast sanity test
The square metre is the bigger unit, so the number should shrink a little, by about a sixth. If it shrank by only 9 percent, you used the linear factor.
The square yard
Three feet by three feet
The square yard is the area of a square one yard on a side, 0.836 m². It lingers in British and Irish trade, especially carpet and fabric, and in older deeds and room descriptions.
Where it appears
Old conveyances, auction particulars, flooring quotations and plans drawn before metrication.
The square metre
The legal unit of area
The square metre is the SI unit and the unit in which floor areas are measured for energy certificates, planning forms and space standards in the United Kingdom. It is 19.6 percent bigger than a square yard.
Where it appears
Energy performance certificates, planning applications, building regulations and licensing rules.
Square yard and square metre compared
A square metre holds 1.196 square yards. The units are close in size, which makes slips easy to miss: 40 yd² and 33.4 m² look similar, but the gap of nearly 7 m² is the difference between a small and a large room. Minimum-size rules work to a tenth of a square metre, so a careful conversion matters.
The factor is not round, so mental estimates are only approximate. Keep the exact value, 0.83612736, for anything that will be filed, and round only when you display the result.
Where the conversion appears
Room sizes in housing standards
The Nationally Described Space Standard in England asks for at least 11.5 m² in a double bedroom and 7.5 m² in a single. In yards, that is 13.75 yd² and 8.97 yd². A listing that says a bedroom is 14 yd² therefore meets the double standard at 11.7 m², while one of 13 yd², 10.9 m², does not.
Shared houses
Licensing rules for houses in multiple occupation set minimum sleeping areas of 6.51 m² for one adult and 10.22 m² for two. In yards, 7.8 yd² and 12.2 yd². A bedsit measured at 7 yd² has 5.85 m² and falls short, whereas one of 8 yd² has 6.69 m² and passes.
Garages and parking
A bay of 2.4 by 4.8 m has 11.5 m², or 13.8 yd². A garage of 3 by 6 m has 18 m², 21.5 yd². Plans from the older housing stock sometimes describe garages in yards, so you must convert yd² to m² first, and the question of whether a modern car fits is answered by converting the dimensions and the area. Use the figure you get when you convert yd² to m² as a check.
Whole-home standards
The same national standard sets minimum floor areas for whole homes: 37 to 39 m² for a one-bedroom home for one person, 50 m² for one bedroom and two people, and 70 m² for two bedrooms and four people. In yards, those are 44 to 46.6 yd², 59.8 yd² and 83.7 yd². An older flat measured at 80 yd² has 66.9 m², so it falls short of the four-person figure but exceeds the three-person two-bedroom floor of 61 m².
Student rooms and hostels
A hall of residence room of 12 yd² has 10 m². A hostel dormitory for six at 30 yd² has 25.1 m², or 4.2 m² per bed. Operators compare space per person in square metres against guidance, and a figure given in yards from an older plan is easy to misjudge without converting. Kept consistent, the comparison shows quickly which rooms are generous and which are tight.
In a spreadsheet
To convert yd² to m² in a spreadsheet, put the square yards in column A and enter =A2*0.83612736 in column B. For the reverse, =B2/0.83612736. A third column with =B2/C2, where C2 is the legal minimum in square metres, shows the margin as a ratio. Format the result to two decimals for rooms and to one for large buildings, and keep the original column so that every figure can be traced.
Rounding for legal documents
In licences and notices the rule is generally to round down for minimum areas and up for maximum areas, so a figure never gives more room than exists. A bedroom of 7.79 yd² converts to 6.51 m², just meeting the threshold. A tenth of a square metre either way changes the outcome, so use the exact factor and round only the displayed result.
A mental shortcut
To estimate square metres from square yards, take away a sixth. For 150 yd², a sixth is 25, so the answer is about 125 m² (exactly 125.4). For 72, a sixth is 12, giving 60 m² (exactly 60.2). The error is about a third of a percent, fine for a conversation or a rough budget but not for a licence application or a conveyance.
Reference values
1 yd² is 0.836 m², 5 yd² are 4.18 m², 10 yd² are 8.36 m², 20 yd² are 16.7 m², 50 yd² are 41.8 m², 100 yd² are 83.6 m², 200 yd² are 167.2 m² and 500 yd² are 418.1 m². These marks tell you at once whether a result is plausible. When you convert yd² to m² and land far from this ladder, repeat the multiplication.
Yards that survive
The yard persists on British road signs for short distances and in the trade for carpet and cloth. Areas in yards therefore turn up in flooring quotations and remnants. A roll piece described as 18 yd² has 15.05 m². Shops that quote in both units usually round to the nearest tenth, so check whether the figure on your invoice was rounded before or after conversion.
Mixed documents in one file
A property file may hold a deed in square yards, a survey in square metres, a brochure in square feet and an energy certificate in square metres. The simplest safeguard is a one-page summary listing each source, its unit, its value and the converted figure in square metres. Anyone reading the file later then sees at a glance whether the figures agree, and the factor used is on record.
Checking by reversing
To make sure your “convert yd² to m²” calculation result is right, multiply it by 1.196 and see whether you return to the starting figure. If 100 yd² became 83.61 m², then 83.61 times 1.196 gives 100.0. A second check is magnitude: the answer in square metres is roughly a sixth smaller than the figure in square yards. If it is only 9 percent smaller, you used 0.9144.
Reading hand-drawn sketches
Older surveys and builders' sketches mark rooms as "5 yds by 4 yds" and leave the area for you to work out. That gives 20 yd², or 16.72 m². The sketch is often only approximate, so treat the result as an indication and confirm with a measured survey. Still, when you convert yd² to m² from such a sketch, you gain a figure that can be compared with modern standards and with the advertised area.
Valuing a small plot
A plot of 300 yd² offered at £150 per square yard costs £45,000. In metric terms it is 250.8 m², and the price is £179.40 per square metre, since each metre is larger than a yard. A buyer comparing it with a 260 m² plot at £175 per square metre, £45,500 in all, sees that the first is cheaper in total but dearer per metre. Always convert yd² to m² for the plot and convert the unit price as well.
Sheds, studios and garden rooms
In England, a single-storey detached outbuilding of up to 15 m² with no sleeping accommodation is commonly exempt from building regulations, and a larger one of up to 30 m² can be exempt under extra conditions, such as distance from the boundary or non-combustible construction. In yards, those thresholds are about 17.9 and 35.9 yd². Rules change, so check the current guidance, but the area comparison is the first step in deciding whether a plan is under the limit.
Rent per area
A shop of 200 yd² let at £18,000 a year occupies 167.2 m². The rent is £90 per square yard and £107.65 per square metre. Surveyors compare lettings per square metre, so a quote given per square yard must be adjusted by 1.196. A valuation that forgets to convert yd² to m² understates the rent per metre by about 16 percent and may lead to a wrong judgment about the market.
Static caravans and park homes
The legal definition of a caravan in Great Britain allows up to 20 metres in length and 6.8 metres in width, a footprint of 136 m², or 162.6 yd². Older brochures list sizes in feet, and comparing the units shows that a unit of 40 by 12 feet, 480 ft² or 53.3 yd², is only about a third of the permitted footprint. This is another case where converting before comparing avoids a wrong assumption.
Energy certificates
An energy performance certificate reports the total floor area in square metres, and the energy rating is expressed per square metre. A house described in an old brochure as 160 yd² has 133.8 m². If a report states 134 m² the two agree, which is a useful cross-check when dealing with documents that come from different eras. Rounding the conversion is acceptable, since the report itself rounds to the nearest whole metre.
Planning application forms
Planning forms ask for floor space in square metres, normally gross internal area. An applicant who has drawings in square yards, for example a garage conversion of 25 yd², must convert to 20.9 m² before filling in the form. Quote the figure to the precision the form asks for, and keep the original calculation on file in case the authority queries the number.
Shop units and business premises
Retail premises are valued by area in square metres, often net internal area. A small unit of 120 yd² has 100.3 m². A larger shop of 600 yd² has 501.7 m². Landlords' particulars from older lettings may list yards, and a tenant comparing a lease with a recent one must convert the area, not just the rent, before judging the price per square metre.
Old deeds and auction particulars
Deeds drawn in the last century commonly describe a plot in square yards or in a mix of acres, roods and perches. A plot of 520 yd² has 434.8 m². Modern conveyancers want the area in metres and often a plan prepared by a surveyor. The figure in the old deed is not authoritative, but it is the starting point, and converting it correctly lets you spot a big discrepancy with the surveyed plot.
Price per area, in reverse
A unit price moves opposite to the area. If a floor is quoted at £12 per square yard, the price per square metre is £14.35, because the same floor holds fewer square metres than square yards. In other words, you multiply the price by 1.196 when you go from yards to metres, while the area is multiplied by 0.836. Mixing up the direction is the most common error when comparing quotes.
Estate agents' listings
British listings give floor areas in square metres and square feet, hardly ever in yards. When an old brochure does give yards, the agent or buyer converts it. A flat described as 70 yd² has 58.5 m², 630 ft². Check all three before relying on any one, because small flats are sold on price per square foot, and an error of 5 m² is worth thousands.
More values for convert yd² to m²
A longer list of conversions
If the value you need is not in the first list, these further conversions may be close enough to read off directly:
- 0.1 yd² = 0.083612736 m²
- 0.5 yd² = 0.41806368 m²
- 3 yd² = 2.50838208 m²
- 4 yd² = 3.34450944 m²
- 7 yd² = 5.85289152 m²
- 15 yd² = 12.5419104 m²
- 20 yd² = 16.7225472 m²
- 75 yd² = 62.709552 m²
- 200 yd² = 167.225472 m²
- 500 yd² = 418.06368 m²
- 2,000 yd² = 1,672.25472 m²
- 10,000 yd² = 8,361.2736 m²
Mistakes when you convert yd² to m²
Using 0.9144
That is the linear factor. For areas, multiply by 0.836127.
Multiplying the wrong way
A square yard is smaller than a square metre, so the number shrinks. If 100 yd² became 119.6, you used the inverse.
Rounding too early
Use 0.84 or five sixths only for estimates. In licences and deeds, keep the exact factor.
Quick answers
How many square metres are in a square yard?
0.836127.
How do I convert yd² to m²?
Multiply by 0.836127.
How many square yards are in a square metre?
1.19599.
What is 100 yd² in square metres?
83.61 m².
Is my number kept anywhere?
No, it stays in your browser.
Related pages and a last word
If you work with areas, these conversions are close at hand: Convert yd² to ft², Convert cm² to m², Convert ares to m², Convert m² to ares, Convert km to mi, Convert mi to km, Convert °C to °F, Convert °F to °C, Convert mi to yd. The reverse of this page is Convert m² to yd².
To sum up: to convert yd² to m², multiply by 0.836127, remember that the factor is 0.9144 squared and write the unit beside the result. The figure you enter is processed locally, with no account and no upload.